Circuit assisted learning device
A learning device and circuit technology, which is applied to cleaning devices for blackboards or slates, clothing, printing, etc., can solve problems such as inconvenience and waste of notebooks, and achieve the effect of being convenient to carry, moderate in size, and improving learning efficiency.
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[0020] A specific embodiment of the present invention will be described in detail below in conjunction with the accompanying drawings, but it should be understood that the protection scope of the present invention is not limited by the specific embodiment.
[0021] Such as figure 1 — Figure 4 As shown, the present invention includes a portable box 3, the portable box 3 is provided with a whiteboard slot 13, the whiteboard slot 13 is provided with a magnetic whiteboard 7, and one side of the whiteboard slot 13 is provided with a cavity 17. Motor 12 is fixed in cavity 17, and described motor 12 is connected with lead screw 8, and described lead screw 8 is provided with slide block 9, and described slide block 9 side is connected with strip-shaped whiteboard eraser 11, and described whiteboard eraser 11 is arranged on the upper surface of the magnetic whiteboard 7, and one end of the portable box 3 is provided with a symmetrical hinge block 15, and a hinge rod 16 is connected t...
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